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Top Questions
36
votes
How do you check that your mathematical research topic is original?
soft-question
asked May 21, 2020 at 15:18
mathoverflow.net
10
votes
Can learning Riemann surfaces be more beneficial than numerical analysis for an analyst?
ap.analysis-of-pdes
riemann-surfaces
career
asked May 5, 2020 at 6:32
mathoverflow.net
6
votes
Morse index in PDEs
ap.analysis-of-pdes
morse-theory
fractional-calculus
asked Aug 8, 2022 at 22:14
mathoverflow.net
5
votes
Is there any nontrivial characterization of weakly differentiable functions?
ap.analysis-of-pdes
sobolev-spaces
asked May 20, 2020 at 17:09
mathoverflow.net
Top Answers
6
Partition of $\mathbb R$ into uncountably many countably infinite subsets such that their limit points are not members of them
math.stackexchange.com
5
Find the sum $ x+x^2+x^3+...+x^n$
math.stackexchange.com
5
Are there functions that can’t be linearly/locally approximated?
math.stackexchange.com
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